Properties of Water

How many Hydrogen atoms does a single water molecule have?

• 1
• 2
• 3
• 4

What does "polar" mean?

• A molecule is cold
• A molecule has ionic bonds
• A molecule has covalent bonds
• A molecule has areas of positive and negative charge

This atom in a water molecule has more of a negative charge

• Oxygen
• Hydrogen

Water is known as a _______ molecule.

• non-polar

• cold

• polar

• warm

Water is known as the universal __________

• solute

• solution

• solvent

• bonder

An example of a solution is

• pebbles and water

• sand and water

• oil and water

• salt and water

What is solubility?

• If something dissolves in water

• If something sinks in water

• If something floats in water

• None of the above

Which answer does NOT have solubility?

• sugar

• salt

• oil

Is pepper soluble?

• Yes, it dissolves in water

• No, it sinks in water

• No, it floats in water

• Yes, it doesn't dissolve in water

Surface tension is the property of water in which...

• water molecules at the surface tend to stick together.

• water spills easily.

• water tends to be see-through.